How many employees work at GSE Systems?
GSE Systems, Inc. has 513 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 0.3%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About GSE Systems
GSE provides power plant simulation and oil and gas simulation for plant operator training as well as electrical systems engineering and 3D visualization to the energy industry.
As of December 2025
GSE Systems
workforce metrics
Headcount
513
Avg. Salary
$122.3k
Tenure
6.2yr
Growth Rate
0.3%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of GSE Systems annual worldwide employee count from 2023 to 2025.
- GSE Systems total number of employees in 2025 was 513, a 0.3% increase from 2024.
- GSE Systems total number of employees in 2024 was 511, a 3.2% decline from 2023.
- GSE Systems total number of employees in 2023 was 527, a 0.9% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of GSE Systems annual active job postings from 2023 to 2025.
- GSE Systems active job postings in 2025 was 3, a 147.8% decline from 2024.
- GSE Systems active job postings in 2024 was 20, a 85.7% decline from 2023.
- GSE Systems active job postings in 2023 was 50, a 27.3% increase from 2022.
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Employee Sentiment
Sentiment Topics
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